Why would he have had a hiccup if there were no reason for it?

为什么他会无缘无故打起嗝来？

youdao

We retried without turning off 2G, and instead of dropping, the call continued on 2G without a hiccup.

在不关闭2G网络的情况下我们又试了一次，这次通话在2G网络上继续了，其间没有间断。

youdao

The Cavaliers haven't played since Wednesday, a hiccup in the schedule that means they'll be well-rested in addition to being at home.

骑士队从星期三起一直没有比赛，一个短暂的间歇意味着他们在主场得到了更充分的休息。

youdao

"So,I think this is a normal hiccup in a very difficult process.

VOA: standard.2009.10.26

Maybe this public humbling from New England is just a hiccup in the craziness.

WSJ: Jason Gay: Tebow-Mania Ends...For Now

Zuckerman and his office building empire, the publicly traded Boston Properties, survived the Andersen disaster with scarcely a hiccup.

FORBES: The Master Builder

In a recent test, he kicked a soccer ball, walked around the room and climbed stairs without a hiccup.

FORBES: True Bionic Man Will Make History by Climbing One of the World's Tallest Buildings